CN221338757U

CN221338757U - Plastic film slitting mechanism

Info

Publication number: CN221338757U
Application number: CN202323284177.2U
Authority: CN
Inventors: 王雪利; 唐利军
Original assignee: Yibei Plastic Products Suzhou Co ltd
Current assignee: Yibei Plastic Products Suzhou Co ltd
Filing date: 2023-12-04
Publication date: 2024-07-16
Anticipated expiration: 2033-12-04

Abstract

The utility model discloses a plastic film slitting mechanism, which comprises a workbench, wherein the workbench is provided with a dividing device, the dividing device comprises a conveying roller assembly and two cutter assemblies positioned above the conveying roller assembly, and the two cutter assemblies are respectively connected with a driving assembly through connecting blocks; the driving assembly comprises a sliding rod, a bidirectional screw rod and a driving motor capable of driving the bidirectional screw rod to rotate, one end of the connecting block is detachably connected with the cutter assembly, the other end of the connecting block is respectively connected with the sliding rod and the bidirectional screw rod, the driving motor is started and drives the cutter assembly to linearly move along opposite directions through the bidirectional screw rod so as to adjust the distance between the two cutter assemblies, and the mechanism can be used for adjusting the distance between a plurality of cutters so as to produce the required size of a plastic film and facilitate quick replacement or maintenance of the cutters by personnel.

Description

Plastic film slitting mechanism

Technical Field

The utility model relates to the technical field of plastic film production equipment, in particular to a plastic film slitting mechanism.

Background

Plastic films are generally used for packaging and as film coating layers, and are used in the market with increasing frequency, and in the plastic film processing process, the plastic films need to be slit through a slitting structure.

The plastic film slitting structure commonly used at present has the following defects:

1. The cutting position is inconvenient to adjust according to the processing requirement, the requirements of cutting plastic films with different widths cannot be met, and the flexibility of the device is poor.

2. When the cutter needs to be replaced or maintained, the cutter is relatively complex to detach.

Therefore, we propose a plastic film slitting structure to solve the above-mentioned problems.

Disclosure of utility model

In order to solve the technical problems, the utility model provides a plastic film slitting mechanism, which not only can adjust the distance among a plurality of cutters so as to produce the required size of a plastic film, but also can facilitate personnel to quickly replace or maintain the cutters.

The technical scheme of the utility model is as follows: the plastic film slitting mechanism comprises a workbench, wherein the workbench is provided with a dividing device, the dividing device comprises a conveying roller assembly and two cutting knife assemblies positioned above the conveying roller assembly, and the two cutting knife assemblies are respectively connected with a driving assembly through connecting blocks;

the driving assembly comprises a sliding rod, a bidirectional screw rod and a driving motor capable of driving the bidirectional screw rod to rotate, one end of the connecting block is detachably connected with the cutting knife assembly, the other end of the connecting block is respectively connected with the sliding rod and the bidirectional screw rod, and the driving motor is started and drives the cutting knife assembly to linearly move along opposite directions through the bidirectional screw rod so as to adjust the distance between the two cutting knife assemblies.

Further, the conveying roller assembly comprises a first conveying roller and a second conveying roller, the first conveying roller and the second conveying roller are connected through a supporting plate and are horizontally arranged, the cutting knife assembly is located above the first conveying roller and the second conveying roller, and the driving assembly is arranged between the two supporting plates.

Further, the cutter assembly comprises a cutter and a fixed block connected to the cutter, and the fixed block is matched with the connecting block for use and fixed through bolts.

Further, one side of the fixed block is provided with a through groove, the connecting block is provided with a threaded hole matched with the through groove, and the bolt penetrates through the through groove and is connected with the threaded hole.

Further, the cutter is located between the first conveying roller and the second conveying roller.

Further, still include the conveyor who sets up in the workstation, conveyor is equipped with two sets of just be respectively for being located the first conveyor of segmenting device upstream and being located the second conveyor of segmenting device low reaches, conveyor includes two rollers that set up from top to bottom, two the roller rotates in order to transport the plastic film that is located between two rollers.

Further, the downstream of the second conveying device is also provided with a cutting device, the cutting device comprises a platform, the platform is provided with an opening for the plastic film to pass through, the platform is connected with a cutting knife through a linear module, and the cutting knife linearly moves through the linear module so as to cut the plastic film positioned in the opening.

Further, the linear module is detachably connected with the cutting knife.

Further, a transverse groove is formed in the end portion of the platform, the transverse groove is communicated with the opening, and the cutting knife penetrates through the transverse groove and is located in the opening.

The beneficial technical effects of the utility model are as follows:

1. Through setting up twin-screw structure, can drive two cutters simultaneously along opposite direction linear movement to adjust the distance between two cutters, and then can cut out the required plastic film size of production.

2. The cutter can be dismantled through fixed block and connecting block and be connected, simultaneously through the position of adjustment fixed block for the connecting block, and then reach the purpose of adjustment cutter height, make things convenient for personnel to change or maintain the cutter.

3. The cutting device is convenient for personnel to cut the places with flaws at the front end or the last end of the plastic film so as to roll the plastic film into a complete product.

4. The cutter is located between first conveying roller and the second conveying roller, avoids cutter and first conveying roller, or second conveying roller rigid contact, guarantees cutter, first conveying roller and second conveying roller's life, and is further, can be better to plastic film slitting.

5. The first conveying device and the second conveying device are arranged to ensure the tension force in the plastic film slitting process, so that a cutter can slit better, and the plastic film can be wrinkled in the slitting place.

The foregoing description is only an overview of the present utility model, and is intended to provide a better understanding of the present utility model, as it is embodied in the following description, with reference to the preferred embodiments of the present utility model and the accompanying drawings.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of a dividing apparatus according to the present utility model;

FIG. 3 is a top view of the splitting assembly of the present utility model;

FIG. 4 is a schematic structural view of the connection of the cutter assembly and the connecting block of the present utility model;

fig. 5 is a schematic structural view of the cutting device of the present utility model.

The reference numerals are:

100. A work table; 200. a first conveying device; 300. a dividing device; 310. a conveyor roller assembly; 311. a first conveying roller; 312. a second conveying roller; 320. a support plate; 330. a cutter assembly; 331. a cutter; 332. a fixed block; 333. a through groove; 340. a connecting block; 350. a drive assembly; 351. a driving motor; 352. a bidirectional screw; 353. a slide bar; 360. a cross plate; 361. a through groove; 400. a second conveying device; 500. a cutting device; 510. a platform; 511. an opening; 512. a transverse groove; 520. a linear module; 530. and (5) cutting the knife.

Detailed Description

In order that the manner in which the above recited features of the present utility model are attained and can be understood in detail, a more particular description of the utility model, briefly summarized below, may be had by reference to the appended drawings and examples, which are illustrated in their embodiments, but are not intended to limit the scope of the utility model.

It should be noted that the terms "first," "second," and the like in the description and the claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate in order to describe the embodiments of the application herein.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are directions or positional relationships described based on the embodiments and shown in the drawings, or directions or positional relationships in which the inventive product is conventionally put in use are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model.

As shown in fig. 1 to 3, the present utility model relates to a plastic film slitting mechanism, comprising a workbench 100, wherein the workbench 100 is provided with a dividing device 300, the dividing device 300 comprises a conveying roller assembly 310 and two cutter assemblies 330 positioned above the conveying roller assembly 310, and the two cutter assemblies 330 are respectively connected to a driving assembly 350 through connecting blocks 340;

The driving assembly 350 includes a slide rod 353, a bidirectional screw 352, and a driving motor 351 capable of driving the bidirectional screw 352 to rotate, one end of the connecting block 340 is detachably connected to the cutter assembly 330, the other end of the connecting block 340 is respectively connected to the slide rod 353 and the bidirectional screw 352, and the driving motor 351 is started and drives the cutter assembly 330 to linearly move along opposite directions through the bidirectional screw 352 so as to adjust the distance between the two cutter assemblies 330.

It should be noted that, one end of the connection block 340 is detachably connected to the cutter assembly 330, the other end of the connection block 340 is connected to the slide rod 353 and the bi-directional screw 352, and when the driving motor 351 is started, the bi-directional screw 352 rotates, and since one end of the connection block 340 is connected to the cutter assembly 330 and the other end of the connection block 340 is connected to the bi-directional screw 352, the bi-directional screw 352 can drive the two sets of cutter assemblies 330 to linearly move along opposite directions through the connection block 340.

The arrangement of the sliding rod 353 ensures smoothness in the moving process of the connecting block 340, and further suitable plastic film size can be cut according to product requirements.

As shown in fig. 2, the conveying roller assembly 310 includes a first conveying roller 311 and a second conveying roller 312, the first conveying roller 311 and the second conveying roller 312 are connected by a support plate 320 and horizontally disposed, the cutter assembly 330 is located above the first conveying roller 311 and the second conveying roller 312, and the driving assembly 350 is disposed between the two support plates 320.

The support plates 320 are provided with two sets, the first and second conveying rollers 311 and 312 are located between the two support plates 320, and likewise, the driving assembly 350 and the cutter assembly 330 are also located between the two support plates 320.

The first conveying roller 311 and the second conveying roller 312 are horizontally arranged, so that the plastic film is conveyed, the plastic film is supported, and the cutting knife assembly 330 can better cut the plastic film.

The driving assembly 350 is assembled between the two support plates 320, wherein the sliding rod 353 and the bi-directional screw 352 are disposed in parallel, and the cutter assembly 330 is connected to the sliding rod 353 and the bi-directional screw 352 through the connection block 340, so that not only the cutter assembly 330 can be positioned, but also the distance between the cutter assemblies 330 can be adjusted.

Further, a transverse plate 360 is further arranged between the two support plates 320, a through groove 361 is formed in the end portion of the transverse plate 360, the bidirectional screw 352 and the driving motor 351 are arranged at the end portion of the transverse plate 360, the sliding rod 353 is arranged in the through groove 361, one end, penetrating through the through groove 361, of the connecting block 340 is connected to the cutting knife assembly 330, and the connecting block 340 is connected to the bidirectional screw 352.

By providing the cross plate 360, not only can the drive assembly 350 be supported, but it is also aesthetically pleasing.

As shown in fig. 2 to 4, the cutter assembly 330 includes a cutter 331 and a fixing block 332 coupled to the cutter 331, and the fixing block 332 is matched with the connection block 340 and fixed by bolts.

One side of the fixed block 332 is provided with a through slot 333, the connecting block 340 is provided with a threaded hole matched with the through slot 333, and the bolt passes through the through slot 333 and is connected with the threaded hole.

When personnel need change or maintain cutter 331, only need with the bolt not hard up can, fixed block 332 and connecting block 340 separation this moment, personnel are through holding fixed block 332 so that take out cutter 331, avoid causing the hand on hand.

In addition, by providing the through groove 333, the height of the cutter 331 with respect to the first and second conveying rollers 311 and 312 can be adjusted so as to better slit the plastic film.

During the use, personnel at first upwards adjust cutter 331, make things convenient for plastic film to pass, when the film passes and is located the below of cutter 331, personnel again downwards adjust cutter 331, and the cutter 331 of messenger cuts plastic film, fixes the position of cutter 331 this moment to start up equipment, last to plastic film cuts.

As shown in fig. 2 and 4, the cutter 331 is located between the first conveying roller 311 and the second conveying roller 312.

By this arrangement, the cutter 331 is prevented from rigidly contacting the first conveying roller 311 or the second conveying roller 312, and the service lives of the cutter 331, the first conveying roller 311 and the second conveying roller 312 are ensured.

Furthermore, the cutter 331 is positioned between the first conveying roller 311 and the second conveying roller 312 to better slit the plastic film.

As shown in fig. 1, the apparatus further includes a conveyor provided at the table 100, the conveyor being provided with two sets of a first conveyor 200 located upstream of the dividing apparatus 300 and a second conveyor 400 located downstream of the dividing apparatus 300, respectively, the conveyor including two rollers provided up and down, the rollers rotating to transport the plastic film located between the rollers.

The first and second conveying devices 200 and 400 are arranged to ensure tension in the slitting process of the plastic film, so that the cutter 331 can conveniently and better slit, and the plastic film can be wrinkled at the slitting place.

As shown in fig. 1 and 5, a cutting device 500 is further disposed downstream of the second conveying device 400, the cutting device 500 includes a platform 510, the platform 510 is provided with an opening 511 through which the plastic film passes, the platform 510 is connected with a cutting knife 530 through a linear module 520, and the cutting knife 530 is linearly moved through the linear module 520 to cut the plastic film located in the opening 511.

The cutting device 500 is provided to facilitate a person to cut a defective portion at the front or rear end of the plastic film to roll up a complete product.

The linear module 520 is detachably connected with the cutting knife 530.

The detachable mode has a plurality of modes, and in the embodiment, the bolt fixing is selected, and the cutting knife 530 is fixed through the bolt, so that the detachable mode is safer and convenient to detach. And will not be described in detail herein.

The end of the platform 510 is provided with a transverse slot 512, the transverse slot 512 is communicated with the opening 511, and the cutting knife 530 passes through the transverse slot 512 and is positioned in the opening 511.

The above examples are only specific embodiments of the present utility model for illustrating the technical solution of the present utility model, but not for limiting the scope of the present utility model, and although the present utility model has been described in detail with reference to the foregoing examples, it will be understood by those skilled in the art that the present utility model is not limited thereto: any person skilled in the art may modify or easily conceive of the technical solution described in the foregoing embodiments, or perform equivalent substitution of some of the technical features, while remaining within the technical scope of the present disclosure; such modifications, changes or substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model, and are intended to be included in the scope of the present utility model.

Claims

1. The plastic film slitting mechanism is characterized by comprising a workbench (100), wherein the workbench (100) is provided with a dividing device (300), the dividing device (300) comprises a conveying roller assembly (310) and two cutter assemblies (330) positioned above the conveying roller assembly (310), and the two cutter assemblies (330) are respectively connected with a driving assembly (350) through connecting blocks (340);

The driving assembly (350) comprises a sliding rod (353), a bidirectional screw (352) and a driving motor (351) capable of driving the bidirectional screw (352) to rotate, one end of the connecting block (340) is detachably connected with the cutting knife assembly (330), the other end of the connecting block (340) is respectively connected with the sliding rod (353) and the bidirectional screw (352), the driving motor (351) is started, and the cutting knife assembly (330) is driven by the bidirectional screw (352) to linearly move along opposite directions so as to adjust the distance between the two cutting knife assemblies (330).

2. A plastic film slitting machine according to claim 1, wherein the conveying roller assembly (310) comprises a first conveying roller (311) and a second conveying roller (312), the first conveying roller (311) and the second conveying roller (312) are connected by a supporting plate (320) and are horizontally arranged, the cutter assembly (330) is located above the first conveying roller (311) and the second conveying roller (312), and the driving assembly (350) is arranged between the two supporting plates (320).

3. A plastic film slitting mechanism according to claim 2, wherein the cutter assembly (330) comprises a cutter (331) and a fixing block (332) connected to the cutter (331), the fixing block (332) being used in cooperation with the connecting block (340) and being fixed by means of bolts.

4. A plastic film slitting machine according to claim 3, wherein one side of the fixing block (332) is provided with a through slot (333), the connecting block (340) is provided with a threaded hole for cooperating with the through slot (333), and the bolt passes through the through slot (333) and is connected with the threaded hole.

5. A plastic film slitting mechanism according to claim 4, wherein the knife (331) is located between the first conveying roller (311) and the second conveying roller (312).

6. A plastic film slitting machine according to claim 1, further comprising a conveyor arranged on the table (100), said conveyor being provided with two sets of first conveyors (200) upstream of the slitting device (300) and second conveyors (400) downstream of the slitting device (300), respectively, said conveyors comprising two rollers arranged up and down, both said rollers rotating to transport plastic film between the two rollers.

7. The plastic film slitting mechanism as set forth in claim 6, wherein a cutting device (500) is further disposed downstream of the second conveying device (400), the cutting device (500) includes a platform (510), the platform (510) is provided with an opening (511) through which the plastic film passes, the platform (510) is connected with a slitting knife (530) through a linear module (520), and the slitting knife (530) moves linearly through the linear module (520) to slit the plastic film located in the opening (511).

8. A plastic film slitting mechanism according to claim 7, wherein the linear module (520) is detachably connected to the slitting knife (530).

9. A plastic film slitting mechanism according to claim 8, wherein the platform (510) has a transverse slot (512) at an end thereof, the transverse slot (512) being in communication with the opening (511), and the slitting knife (530) passing through the transverse slot (512) and being located within the opening (511).